>> the double irish with a dutch sandwich. i mentioned it before the break, a strategy that let's companies like apple route their profits around the world so they can pay less in taxes. it is perfectly legal. why do companies go to these lengths and extremes? on paper, the u.s. has the highest corporate tax rate in the world. the u.s. tax rate is 39.1%. that takes in account federal and local taxes. the average for the developed world is 25.5%. let's be clear, most companies do not pay that top rate. thanks to loop holes, special treatment for certain types of businesses, s&p 5 companies pay closer to 29%. some utility companies pay an average of 12% while big energy companies pay more. it is a system that encourages companies to employ armies of accountants and tax attorneys to